Uniform Tire Quality Grading Standards

A uniform standard to grade the quality of tires with regards to tread quality, tire traction and temperature characteristics. Ratings are determined by tire manufacturers using U.S. government testing procedures. The ratings are molded into the sidewall of the tire.

    See also:

    Data stored in the vehicle
    Information about electronic data acquisition in the vehicle (Including notice pursuant to California Code § 9951) Your vehicle records electronic data. If your vehicle is equipped with mbrace3, ...

    Dashboard fuse box
    Do not use a pointed object such as a screwdriver to open the cover in the dashboard. You could damage the dashboard or the cover. To open: pull out cover 1 slightly at the bottom in the ...

    Tread wear
    The tread wear grade is a comparative rating based on the wear rate of the tire when tested under controlled conditions on a specified U.S. government course. For example, a tire graded 150 wo ...